Kelly, who played Eric Forman's (Topher Grace) sister Laurie on the sitcom, had voluntarily checked herself in to the facility to treat an alcohol problem earlier in the week, according to TMZ. It was reportedly the latest in a long line of rehab stints for the actress. "She had been fighting demons for a while and finally lost her battle," her agent told TMZ.

In July, Kelly's estranged husband, Robert Gilliam, was convicted of domestic battery against her. He served 35 days in jail and was sentenced to three years' probation, according to TMZ. She had filed for divorce from him earlier this summer.

Since 2010, Kelly has been arrested several times for charges including DUI, spousal abuse and assault.